Value Option

The value option is used to evaluate a selected function for a particular value of x. Access the value option by pressing .

Type  or .

"x =" appears at the bottom of the screen.

Type a value of x. For x = 2, type "2" and the corresponding value of y will be displayed.

The equation in the upper right hand corner indicates the function is being evaluated. The "X" on the graph indicates the location of the point (x,y).

Note: The typed value of x must be between the Xmin and Xmax values entered in .

To evaluate other functions already graphed, press the up or down cursor keys.
Notice the equation in the upper left hand corner changes.